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Taxon  Report  
Cypripedium fasciculatum  Kellogg
Clustered lady's slipper
Cypripedium fasciculatum is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in western North America.
California Rare Plant Rank: 4.2 (limited distribution).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
~221 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Genus: Cypripedium
Family: Orchidaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Toxicity: Possible skin irritation from touching the leaf or stem of this plant.

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Ultramafic affinity: 2.5 - strong indicator

Habitat: riparian, streambanks, seeps

Communities: Redwood Forest, Douglas-Fir Forest, Yellow Pine Forest, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO
Information about  Cypripedium fasciculatum from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CYFA)

Photos on Calflora

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/18/2025).